removed commented duplicate utility function

include/opendht/utils.h

@@ -68,6 +68,9 @@ using duration = clock::duration;
 time_point from_time_t(std::time_t t);
 std::time_t to_time_t(time_point t);
 
+/**
+ * Converts std::chrono::duration to floating-point seconds.
+ */
 template <class DT>
 static double
 print_dt(DT d) {

tools/tools_common.h

@@ -112,15 +112,6 @@ disableLogging(dht::DhtRunner& dht)
     dht.setLoggers(dht::NOLOG, dht::NOLOG, dht::NOLOG);
 }
 
-/**
- * Converts std::chrono::duration to floating-point seconds.
- */
-/*template <class DT>
-static double
-print_dt(DT d) {
-    return std::chrono::duration_cast<std::chrono::duration<double>>(d).count();
-}*/
-
 /**
  * Split "[host]:port" or "host:port" to pair<"host", "port">.
  */